20189185792

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{7459}}^1$

素因数の和:7681

約数の個数: 72

約数和(自身を含む): 41094006800

約数和(自身を除く): 20904821008

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 109, 128, 194, 218, 256, 388, 436, 776, 872, 1552, 1744, 3104, 3488, 6208, 6976, 7459, 10573, 12416, 13952, 14918, 21146, 24832, 27904, 29836, 42292, 59672, 84584, 119344, 169168, 238688, 338336, 477376, 676672, 723523, 813031, 954752, 1353344, 1447046, 1626062, 1909504, 2706688, 2894092, 3252124, 5788184, 6504248, 11576368, 13008496, 23152736, 26016992, 46305472, 52033984, 78864007, 92610944, 104067968, 157728014, 185221888, 208135936, 315456028, 630912056, 1261824112, 2523648224, 5047296448, 10094592896, 20189185792]

約数ペア:

[(1, 20189185792), (2, 10094592896), (4, 5047296448), (8, 2523648224), (16, 1261824112), (32, 630912056), (64, 315456028), (97, 208135936), (109, 185221888), (128, 157728014), (194, 104067968), (218, 92610944), (256, 78864007), (388, 52033984), (436, 46305472), (776, 26016992), (872, 23152736), (1552, 13008496), (1744, 11576368), (3104, 6504248), (3488, 5788184), (6208, 3252124), (6976, 2894092), (7459, 2706688), (10573, 1909504), (12416, 1626062), (13952, 1447046), (14918, 1353344), (21146, 954752), (24832, 813031), (27904, 723523), (29836, 676672), (42292, 477376), (59672, 338336), (84584, 238688), (119344, 169168)]